Carius, a junior, won the 200 IM (2:01.35) and placed second in the 1,650 freestyle (17:20.19) at the Grinnell Invitational. He also finished fourth in both the 200 butterfly (2:04.68) and 400 IM (4:26.85), swam the first legs on Luther's third-place 800 freestyle relay (7:32.18) and fourth-place 400 freestyle relay (3:20.14) and anchored the Norse's fourth-place 400 medley relay (3:44.47).
